Dandelin's theorem

Topic:Cone

* Move points A and B to change section of the cone * Spheres are tangent to the plane and to the cone * Move point P on the conic * When the conic is an ellipse, why is MP+PH constant ?

New Resources

Constructing an Isosceles Triangle with Given Side + Activities
bewijs stelling van Pythagoras
Untitled
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Transformations: 3 Steps (V1)

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monkee
Hyperbola Lab_OliviaJimenez
function_example
Base Angle Theorem of Isosceles Triangles
Dice2
volume of cylinder and cone
Daleoliad yn erbyn pellter

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Integers
Rotation
Geometric Distribution
Bar Chart or Bar Graph
Similarity Transformation or Similarity